package com.zhao.handler;

import com.alibaba.fastjson.JSON;
import com.zhao.service.impl.ResponseResult;
import com.zhao.utils.WebUtils;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
//注入到Spring容器中
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        //处理异常
        //通过枚举类型设置状态码
        ResponseResult responseResult = new ResponseResult(HttpStatus.UNAUTHORIZED.value(), "用户认证失败，请重新登录");
        String json = JSON.toJSONString(responseResult);
        WebUtils.renderString(response,json);
    }
}
